油库油泵房（棚）、付油罩棚（泵棚）属于（）类防雷建筑物，应采用接闪网保护。
A.一类
B.二类
C.三类
D.四类
参考答案：B
用所给词的适当形式填空。
1. It was raining __________ (heavy), and we didn't go to school.
2. Mao Zedong was the __________ (found) of the PRC.
3. Our math teacher asked us __________ (not use) calculators.
4. The book is __________ (interesting) one of all the books.
5. Mike __________ (watch) TV yesterday evening.
爆破崩倒、崩坏的支架必须（）后方可进入工作面作业。
A.修复
B.运出
C.清理
